A passerby stops to look at the exchange, then turns and walks back in the opposite direction to see Mr Mitchell walk his bike out of the side pedestrian gate.

Four police officers - including one that was jailed for misconduct in pblic office - have since been sacked. Two have received final written warnings following misconduct hearings. A gross misconduct panel in the case of a sixth police officer found the case against him not proven.

An accompanying statement released with the report said: “Ultimately four police officers have been dismissed from the MPS, one of whom was sent to prison.

“Every serving police officer has cause to feel let down by those colleagues who fall below the standards we all strive to uphold.”